<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>数据看板导航</title>
    <style>
        /* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.6;
            padding: 2rem;
            background-color: #f5f6fa;
        }

        /* 导航容器 */
        .dashboard-nav {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            padding: 2rem;
        }

        /* 标题样式 */
        .nav-header {
            color: #2c3e50;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #3498db;
        }

        /* 导航列表 */
        .nav-list {
            list-style: none;
            display: grid;
            gap: 0.8rem;
        }

        /* 导航项样式 */
        .nav-item {
            transition: transform 0.2s ease;
        }

        .nav-item:hover {
            transform: translateX(8px);
        }

        /* 链接样式 */
        .nav-link {
            display: block;
            padding: 1rem 1.5rem;
            text-decoration: none;
            color: #34495e;
            background: #f8f9fa;
            border-radius: 8px;
            transition: 
                background 0.3s ease,
                box-shadow 0.3s ease;
        }

        .nav-link:hover {
            background: #3498db;
            color: white;
            box-shadow: 0 3px 8px rgba(52, 152, 219, 0.4);
        }

        /* 响应式设计 */
        @media (max-width: 600px) {
            body {
                padding: 1rem;
            }
            
            .dashboard-nav {
                padding: 1.5rem;
            }
            
            .nav-header {
                font-size: 1.75rem;
            }
        }
    </style>
</head>
<body>
    <nav class="dashboard-nav" aria-label="主导航">
        <h1 class="nav-header">📊 数据导航</h1>
        <ul class="nav-list">
            <li class="nav-item">
                <a href="/student_info/" class="nav-link">🎓 学生画像分析</a>
            </li>

            <li class="nav-item">
                <a href="/grade_predictions/" class="nav-link">📈 学业成绩预测</a>
            </li>

            <li class="nav-item">
                <a href="/bias_analysis/" class="nav-link">📉 学生偏科分析</a>
            </li>            

            <li class="nav-item">
                <a href="/academic_atmosphere/" class="nav-link">🏫 班级学风分析</a>
            </li>

            <li class="nav-item">
                <a href="/subject_recommendations/" class="nav-link">📚 科目选择推荐</a>
            </li>

            <li class="nav-item">
                <a href="/subsidy/" class="nav-link">💰 助学津贴参考</a>
            </li>

<!--

            
            <li class="nav-item">
                <a href="/prediction/" class="nav-link">🔮 用户行为预测</a>
            </li>
             -->
        </ul>
    </nav>
</body>
</html>
